Heavy Rain in the Southeast; Wintry Mix from the Plains through the Ohio Valley

A storm system will bring a number impacts to the central and eastern US. Heavy rain and thunderstorms are expected in the Gulf Coast and Deep South. Further north, a wintry mix may produce a glaze of ice from the Ozarks/Mid-South east through the Ohio Valley. Accumulating snow is expected from the central Plains east into the Upper Ohio Valley/Lower Great Lakes. Read More >

Hazardous Weather Conditions

Current conditions at

Chamberlain, Chamberlain Municipal Airport (K9V9)

Lat: 43.77°NLon: 99.32°WElev: 1693ft.

Fair

7°F

-14°C

Humidity 86%
Wind Speed S 7 mph
Barometer 30.15 in
Dewpoint 4°F (-16°C)
Visibility 10.00 mi
Wind Chill-5°F (-21°C)
Last update 1 Dec 7:35 am CST
Extended Forecast for

Gann Valley SD

  • Today

    Today: Sunny, with a high near 23. South wind 5 to 10 mph becoming west northwest in the afternoon.

    High: 23 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 4. West northwest wind 5 to 7 mph becoming calm  in the evening.

    Low: 4 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 33. South wind 5 to 8 mph becoming west in the afternoon.

    High: 33 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A chance of snow before 9pm, then a chance of freezing rain between 9pm and midnight, then a chance of snow after midnight.  Cloudy, with a low around 11. West wind 7 to 13 mph becoming north after midnight. Winds could gust as high as 22 mph.  Chance of precipitation is 40%.

    Low: 11 °F

    Chance Wintry
    Mix then
    Chance Snow

  • Wednesday

    Wednesday: Partly sunny, with a high near 19. North wind 7 to 15 mph, with gusts as high as 23 mph.

    High: 19 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around -8. North northwest wind 5 to 7 mph becoming south after midnight.

    Low: -8 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 30. South wind 8 to 11 mph, with gusts as high as 20 mph.

    High: 30 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 15. West southwest wind 6 to 9 mph.

    Low: 15 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 33. West southwest wind 6 to 11 mph becoming northwest in the afternoon.

    High: 33 °F

    Partly Sunny

Detailed Forecast

Today
Sunny, with a high near 23. South wind 5 to 10 mph becoming west northwest in the afternoon.
Tonight
Partly cloudy, with a low around 4. West northwest wind 5 to 7 mph becoming calm in the evening.
Tuesday
Mostly cloudy, with a high near 33. South wind 5 to 8 mph becoming west in the afternoon.
Tuesday Night
A chance of snow before 9pm, then a chance of freezing rain between 9pm and midnight, then a chance of snow after midnight. Cloudy, with a low around 11. West wind 7 to 13 mph becoming north after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 40%.
Wednesday
Partly sunny, with a high near 19. North wind 7 to 15 mph, with gusts as high as 23 mph.
Wednesday Night
Partly cloudy, with a low around -8. North northwest wind 5 to 7 mph becoming south after midnight.
Thursday
Mostly sunny, with a high near 30. South wind 8 to 11 mph, with gusts as high as 20 mph.
Thursday Night
Mostly cloudy, with a low around 15. West southwest wind 6 to 9 mph.
Friday
Partly sunny, with a high near 33. West southwest wind 6 to 11 mph becoming northwest in the afternoon.
Friday Night
Mostly cloudy, with a low around 15.
Saturday
Mostly cloudy, with a high near 27.
Saturday Night
Mostly cloudy, with a low around 2.
Sunday
Partly sunny, with a high near 15.
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ABOUT THIS FORECAST

 
Point Forecast:
Gann Valley SD
 44.04°N 98.98°W (Elev. 1709 ft)
7:46 am CST Dec 1, 2025
7am CST Dec 1, 2025-6pm CST Dec 7, 2025
 
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Additional Resources

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